lgcosta/reiserfsprogs
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Imported reiserfsprogs-3.6.2

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This commit is contained in:
Jeff Mahoney committed 2012-10-11 11:27:42 -04:00
1 parent e7102bdb66
commit b69459eb80
86 files changed
+23136 -13423
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debugreiserfs/debugreiserfs.h
+171 -48
View File
@@ -1,8 +1,9 @@
/*
* Copyright 2000 by Hans Reiser, licensing governed by reiserfs/README
* Copyright 2000-2002 by Hans Reiser, licensing governed by reiserfs/README
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
@@ -18,28 +19,43 @@
#include "io.h"
#include "misc.h"
#include "reiserfs_lib.h"
#include "../include/config.h"
#include "../version.h"
extern reiserfs_filsys_t * fs;
/*
* modes
*/
#define DO_DUMP 1 /* not a real dump, just printing to stdout contents of
tree nodes */
#define DO_CORRUPT 2 /* used to make filesystem corruption and then test fsck */
#define DO_SCAN 3
#define DO_SCAN_FOR_NAME 4
#define DO_RECOVER 5
#define DO_TEST 6
#define DO_PACK 7 /* -p extract meta data of reiserfs filesystem */
#define DO_PACK_ALL 8 /* -p */
#define DO_DUMP 1 /* not a real dump, just printing to stdout contents of
tree nodes */
#define DO_CORRUPT 2 /* used to make filesystem corruption and then test fsck */
#define DO_SCAN 3
#define DO_RECOVER 4
#define DO_TEST 6
#define DO_PACK 7 /* -p extract meta data of reiserfs filesystem */
#define DO_STAT 8
#define DO_SCAN_FOR_NAME 9 /* -n */
#define DO_LOOK_FOR_NAME 10 /* -N */
#define DO_SCAN_JOURNAL 11 /* -J */
#define DO_EXTRACT_BADBLOCKS 12
extern int opt_quiet;
extern int mode;
/*first bits are in reiserfs_fs.b*/
#define PRINT_JOURNAL 0x10
#define PRINT_JOURNAL_HEADER 0x20
#define PRINT_BITMAP 0x40
#define PRINT_OBJECTID_MAP 0x80
#define BE_QUIET 0x100
/* these moved to reiserfs_fs.h */
//#define PRINT_TREE_DETAILS
//#define PRINT_DETAILS
//#define PRINT_ITEM_DETAILS
//#define PRINT_DIRECT_ITEMS
// the leaf is stored in compact form:
// the leaf is stored in compact form:
// start magic number
// block number __u32
// item number __u16
@@ -48,7 +64,7 @@ extern int mode;
// end magic number
/* we store hash code in high byte of 16 bits */
#define LEAF_START_MAGIC 0xa5
#define LEAF_START_MAGIC 0xa6
#define LEAF_END_MAGIC 0x5a
@@ -60,76 +76,183 @@ extern int mode;
#define END_MAGIC 0x8d
#define INTERNAL_START_MAGIC
#define INTERNAL_START_MAGIC
#define SEPARATED_JOURNAL_START_MAGIC 0xf8
#define SEPARATED_JOURNAL_END_MAGIC 0x8f
#define ITEM_START_MAGIC 0x476576
#define ITEM_END_MAGIC 0x2906504
/* flags in packed item mask */
#define NEW_FORMAT 1 // 0 here means - old format, 1 - new format
#define DIR_ID 2
#define OBJECT_ID 4
#define OFFSET_BITS_32 8
#define OFFSET_BITS_64 16
#define ENTRY_COUNT 32 // shows whether ih_free_space/ih_entry_count is stored
#define MAP_MAGIC 0xe9
#define MAP_END_MAGIC 0x9e
#define INDIRECT_ITEM 64
#define DIRENTRY_ITEM 128
#define DIRECT_ITEM 256
#define STAT_DATA_ITEM 512
#define ITEM_BODY 1024
#define WHOLE_INDIRECT 128
#define WITH_SD_FIRST_DIRECT_BYTE 8192 /* for old stat data first_direct_byte
is stored */
#define NLINK_BITS_32 8192 /* nlinks stored in 32 bits */
#define SIZE_BITS_64 16384 /* size has to be stored in 64 bit */
/* 12 bits of mask are used to define */
#define NEW_FORMAT 0x01 /* 1. 0 here means - old format, 1 - new format */
#define DIR_ID 0x02 /* 2. dir_id is stored */
#define OBJECT_ID 0x04 /* 3. objectid is stored */
#define OFFSET_BITS_32 0x08 /* 4. offset is stored as 32 bit */
#define OFFSET_BITS_64 0x10 /* 5. offset is stored as 64 bit */
#define IH_ENTRY_COUNT 0x20 /* 6. ih_free_space/ih_entry_count is stored */
#define IH_FREE_SPACE 0x20
#define IH_FORMAT 0x40 /* 7. ih_format is stored */
#define WITH_SD_FIRST_DIRECT_BYTE 0x80 /* 8. for old stat data first_direct_byte is stored */
#define NLINK_BITS_32 0x0100 /* 9. nlinks stored in 32 bits */
#define SIZE_BITS_64 0x0200 /* 10. size has to be stored in 64 bit */
#define WHOLE_INDIRECT 0x0400 /* 11. indirect item is stored with compression */
#define SAFE_LINK 0x0800 /* 11. indirect item is stored with compression */
#define TYPE_MASK 0x3 /* two lowest bits are used to store item type */
//#define MASK_MASK 0xffffc /* what is packed: dirid, objectid, etc */
#define ITEM_LEN_MASK 0xfff00000 /* contents of ih_item_len of item_head */
struct packed_item {
/*__u16 length;*/ // length of the area we store item in
__u16 mask; // what is stored: dirid, objectid, 32 bit offset or 64 bit offset, type
__u16 item_len;
__u32 type_2_mask_18_len_12;
};
#define HAS_DIR_ID 1
#define HAS_GEN_COUNTER 2
#define HAS_STATE 4
#define YURA 8
#define TEA 16
#define R5 32
/* defined as inlines in both pack.c and unpack.c */
inline void set_pi_type( struct packed_item *pi, __u32 val );
inline __u32 get_pi_type( const struct packed_item *pi );
inline void set_pi_mask( struct packed_item *pi, __u32 val );
inline __u32 get_pi_mask( const struct packed_item *pi );
inline void set_pi_item_len( struct packed_item *pi, __u32 val );
inline __u32 get_pi_item_len( const struct packed_item *pi );
#define HAS_DIR_ID 0x01
#define HAS_GEN_COUNTER 0x02
#define HAS_STATE 0x04
#define YURA 0x08
#define TEA 0x10
#define R5 0x20
struct packed_dir_entry {
__u8 mask;
__u16 entrylen;
};
/* packed_dir_entry.mask is *always* endian safe, since it's 8 bit */
#define get_pe_entrylen(pe) (le16_to_cpu((pe)->entrylen))
#define set_pe_entrylen(pe,v) ((pe)->entrylen = cpu_to_le16(v))
#define fread8(pv) fread (pv, sizeof (__u8), 1, stdin)
#define fread_le16(pv)\
{\
__u16 tmp; \
fread16(&tmp); \
*pv = le16_to_cpu(tmp); \
}
#define fread_le32(pv)\
{\
__u32 tmp; \
fread32(&tmp); \
*pv = le32_to_cpu(tmp); \
}
#define fread_le64(pv)\
{\
__u64 tmp; \
fread64(&tmp); \
*pv = le64_to_cpu(tmp); \
}
#define fread8(pv) fread (pv, sizeof (__u8), 1, stdin)
#define fread16(pv) fread (pv, sizeof (__u16), 1, stdin)
#define fread32(pv) fread (pv, sizeof (__u32), 1, stdin)
#define fread64(pv) fread (pv, sizeof (__u64), 1, stdin)
#define fwrite_le16(pv)\
{\
__u16 tmp = cpu_to_le16(*(pv));\
fwrite16(&tmp);\
}
#define fwrite_le32(pv)\
{\
__u32 tmp = cpu_to_le32(*(pv));\
fwrite32(&tmp);\
}
#define fwrite_le64(pv)\
{\
__u64 tmp = cpu_to_le64(*(pv));\
fwrite64(&tmp);\
}
#define fwrite8(pv) {\
if (fwrite (pv, sizeof (__u8), 1, stdout) != 1)\
reiserfs_panic ("fwrite8 failed: %m");\
sent_bytes ++;\
}
#define fwrite16(pv) {\
if (fwrite (pv, sizeof (__u16), 1, stdout) != 1)\
reiserfs_panic ("fwrite16 failed: %m");\
sent_bytes += 2;\
}
#define fwrite32(pv) {\
if (fwrite (pv, sizeof (__u32), 1, stdout) != 1)\
reiserfs_panic ("fwrite32 failed: %m");\
sent_bytes += 4;\
}
#define fwrite64(pv) {\
if (fwrite (pv, sizeof (__u64), 1, stdout) != 1)\
reiserfs_panic ("fwrite64 failed: %m");\
sent_bytes += 8;\
}
/*
#define fwrite16(pv) fwrite (pv, sizeof (__u16), 1, stdout)
#define fwrite32(pv) fwrite (pv, sizeof (__u32), 1, stdout)
#define fwrite64(pv) fwrite (pv, sizeof (__u64), 1, stdout)
*/
#define BLOCKS_PER_READ 8
extern char * where_to_save;
struct debugreiserfs_data {
int mode; /* DO_DUMP | DO_PACK | DO_CORRUPT... */
#define USED_BLOCKS 1
#define EXTERN_BITMAP 2
#define ALL_BLOCKS 3
#define UNUSED_BLOCKS 4
int scan_area; /* for -p, -s and -n */
char * input_bitmap; /* when ->scan_area is set to EXTERN_BITMAP */
reiserfs_bitmap_t * bitmap; /* bitmap is read from ->input_bitmap */
unsigned long block; /* set by -B. this is a must for -C, option for -p and -d */
char * pattern; /* for -n */
char * device_name;
char * journal_device_name; /* for -j */
char * map_file; /* for -n, -N and -r */
unsigned long options; /* -q only yet*/
int JJ;
};
#define data(fs) ((struct debugreiserfs_data *)((fs)->fs_vp))
#define debug_mode(fs) (data(fs)->mode)
#define certain_block(fs) (data(fs)->block)
#define input_bitmap(fs) (data(fs)->bitmap)
#define input_bitmap_file_name(fs) (data(fs)->input_bitmap)
#define scan_area(fs) (data(fs)->scan_area)
#define name_pattern(fs) (data(fs)->pattern)
#define device_name(fs) (data(fs)->device_name)
#define journal_device_name(fs) (data(fs)->journal_device_name)
#define map_file(fs) (data(fs)->map_file)
#define be_quiet(fs) (data(fs)->options & BE_QUIET)
/* stat.c */
void do_stat (reiserfs_filsys_t * fs);
/* corruption.c */
void do_corrupt_one_block (reiserfs_filsys_t * fs);
/* recover.c */
void do_recover (reiserfs_filsys_t * fs);
/* scan.c */
void do_scan (reiserfs_filsys_t * fs);
/* journal.c */
void scan_journal (reiserfs_filsys_t * fs);